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Finding the Fourth Proportional to 79,709.36, 119,482.03 and 35,357

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Solution

The fourth proportional to 79,709.36, 119,482.03 and 35,357 is: 52,999.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,709.36 : 119,482.03 = 35,357 : x
  2. Step 2: Convert to fraction form
    79,709.36/119,482.03 = 35,357/x
  3. Step 3: Cross multiply
    79,709.36x = 119,482.03 × 35,357
  4. Step 4: Simplify right side
    79,709.36x = 4,224,525,957.93
  5. Step 5: Solve for x
    x = 4,224,525,957.93/79,709.36
  6. Step 6: Final answer
    x = 52,999.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.